164241620 has 24 divisors (see below), whose sum is σ = 359904384. Its totient is φ = 62840096.

The previous prime is 164241611. The next prime is 164241653. The reversal of 164241620 is 26142461.

It is a self number, because there is not a number n which added to its sum of digits gives 164241620.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178064 + ... + 178983.

It is an arithmetic number, because the mean of its divisors is an integer number (14996016).

Almost surely, 2^164241620 is an apocalyptic number.

164241620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164241620 is an abundant number, since it is smaller than the sum of its proper divisors (195662764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164241620 is a wasteful number, since it uses less digits than its factorization.

164241620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357079 (or 357077 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 164241620 is about 12815.6786788683. The cubic root of 164241620 is about 547.6390478272.

The spelling of 164241620 in words is "one hundred sixty-four million, two hundred forty-one thousand, six hundred twenty".